Antenna apparatus of mobile terminal

ABSTRACT

A mobile terminal and manufacture of same are provided. The mobile terminal includes: an antenna; a first case at which the antenna is disposed; a second case coupled to the first case; a main PCB disposed at one side of the second case; and a sub-PCB disposed at an opposite side of the second case, the sub-PCB being connected to the main PCB through a cable, wherein the sub-PCB is electrically coupled with the antenna when the first case and the second case are coupled together.

CROSS RELATED APPLICATION(S)

This application is a Continuation of U.S. patent application Ser. No.14/559,072 filed Dec. 3, 2014 which is a Continuation of U.S. patentapplication Ser. No. 12/782,775 filed on May 19, 2010 and assigned U.S.Pat. No. 8,929,946 issued on Jan. 6, 2015 which claims the benefit under35 U.S.C. § 119(a) of a Korean Patent Application filed in the KoreanIntellectual Property Office on May 21, 2009 and assigned Serial No.10-2009-0044377, the entire disclosure of which is incorporated hereinby reference.

BACKGROUND Field of the Invention

The present invention relates to a mobile terminal, and moreparticularly, to an antenna apparatus of a mobile terminal that can beefficiently disposed within a limited space of the mobile terminal.

Description of the Related Art

Mobile terminals are widely used by users as they can provide varioususer functions such as a mobile communication function, game playerfunction, and scheduler function while being lightweight and highlymobile. Because the mobile terminal should basically provide mobility,the mobile terminal has a small size and should have a design thatsatisfies a variety of different functions and/or requirements of users.Because of the intensive use of mobile terminals and their being adaptedto perform many different functions it is necessary that a mobileterminal has a design that maximizes the limited space of the terminal.

An antenna of the mobile terminal is one part having particular spatialrestriction because of the operating frequencies of the mobile terminal.Typically, a conventional mobile terminal has a carrier to support theantenna, and the spatial utility of the mobile terminal is deterioratedby the carrier structure. Furthermore, costs associated with theaddition of the carrier structure are increased in both the cost of thecarrier itself and the steps of assembling the carrier.

SUMMARY

The present invention provides an antenna apparatus of a mobile terminalthat can efficiently use space when installing an antenna within themobile terminal.

In accordance with an aspect of the present invention, a mobile terminalincludes: an antenna; a first case at which the antenna is disposed; asecond case coupled to the first case; a main PCB disposed at one sideof the second case; and a sub-PCB disposed at the other side of thesecond case, connected through the main PCB and a cable, and contactingwith the antenna as the first case and the second case are coupled.

In accordance with an aspect of the present invention, A method formanufacturing a mobile terminal includes: disposing an antenna at oneside of a first case of the mobile terminal, wherein an entire lower endarea of the first case represents an area in which the antenna isdisposed; positioning a sub-PCB (printed circuit board) at one side of asecond case of the mobile terminal, the sub-PCB being oppositelypositioned to the antenna, the sub-PCB including at least one contactterminal; and positioning a PCB at a second end of the second case, thePCB and the sub-PCB being electrically connected, coupling the firstcase and the second case such that the at least one contact terminalelectrically connects to a corresponding point on the antenna.

In accordance with an aspect of the present invention, adual-communication mode mobile terminal includes: a single antennahaving a length sufficient to support each of the dual communicationmodes; a first PCB having contact terminals positioned to engage theantenna at lengths to support each of the dual communication modes, anda switch for determining which of the contact terminal is activated; anda second PCB, electrically connected to the first PCB providinginstruction to the switch for operating in a selected one of the dualcommunication modes, wherein the antenna is formed in an area of a firstcase of the mobile terminal and the first PCB is formed in a first endof a second case of the mobile terminal opposite the antenna in thefirst case and second PCB is formed in second end of the second case ofthe mobile terminal.

BRIEF DESCRIPTION OF THE DRAWINGS

The above features and advantages of the present invention will be moreapparent from the following detailed description in conjunction with theaccompanying drawings, in which:

FIG. 1 is a perspective view illustrating an external appearance of amobile terminal according to an exemplary embodiment of the presentinvention;

FIG. 2 is an exploded perspective view illustrating an internalconfiguration of a case of the mobile terminal of FIG. 1;

FIG. 3 is a perspective view illustrating only elements included in anantenna apparatus of the mobile terminal of FIG. 1; and

FIG. 4 is a perspective view illustrating a configuration of a sub-PCBof the mobile terminal of FIG. 1.

DETAILED DESCRIPTION

Exemplary embodiments of the present invention are described in detailwith reference to the accompanying drawings. The same reference numbersare used throughout the drawings to refer to the same or like parts. Theviews in the drawings are schematic views only, and are not intended tobe to scale or correctly proportioned. Detailed descriptions ofwell-known functions and structures incorporated herein may be omittedto avoid obscuring the subject matter of the present invention.

While the present invention may be embodied in many different forms,specific embodiments of the present invention are shown in drawings andare described herein in detail, with the understanding that the presentdisclosure is to be considered as an exemplification of the principlesof the invention and is not intended to limit the invention to thespecific embodiments illustrated.

FIG. 1 is a perspective view illustrating an external appearance of amobile terminal according to an exemplary embodiment of the presentinvention.

Referring to FIG. 1, a mobile terminal 100 according to the presentexemplary embodiment includes an antenna 230 for transmitting andreceiving a communication signal, main printed circuit board (PCB) 210for processing a signal transmitted and received using antenna 230,sub-PCB 220, display unit 140 for outputting a communication procedureand an image for supporting utilization by a user, and a case 170 forsupporting the display unit 140 and having the main PCB 210, the sub-PCB220, and the antenna 230 therein. As would be appreciated, antenna 230,PCB 210 and sub-PCB 220 are shown in dashed or dotted lines to representthat these elements are contained within case 170.

The antenna 230 performs a function of transmitting a signal whenactivating a communication function of the mobile terminal 100 andreceiving a signal that has been transmitted by another device. Theantenna 230 is contained within case 170. In order to dispose theantenna 230 within the case 170, the antenna 230 is formed in apredetermined pattern. A length or a volume of the antenna 230 changesaccording to a communication method of the mobile terminal 100. Further,when the mobile terminal 100 supports a plurality of communicationmethods, the antenna 230 has a length or a volume that can support allof the communication methods. For example, when the mobile terminal 100supports a GSM communication method and a WCDMA communication method,the antenna 230 has a length or a volume for supporting both the GSMcommunication method and the WCDMA communication method.

The antenna 230 according to the present exemplary embodiment isdisposed at one side of the lower end of the case 170 enclosing the edgeof the display unit 140. In order to prevent movement of the antenna 230disposed within the case 170, the antenna 230 is formed to be fastenedto various latch jaws or protrusions (not shown) provided in the case170. For example, when the antenna 230 is formed in a pattern, theantenna 230 has at least one hole (not shown) in a predetermined portionof each pattern.

The main PCB 210 controls various user functions provided by the mobileterminal 100. The main PCB 210, for example, controls supply of powersupplied from a power source unit to each element of the mobile terminal100. The PCB 210 further performs a startup or booting operation whenpower is first supplied to the mobile terminal.

When activation of a user function, for example, a mobile communicationfunction is requested, the main PCB 210 controls the power supplied to acommunication module, and controls the circuit to direct the antenna totransmit and/or receive a signal. Further, the main PCB 210 controlsother elements, for example a camera module, broadcasting receptionmodule, GPS module, and MP3 module, and controls the activation ofvarious functions according to a specific function output from an inputunit. The main PCB 210 stores various routines for supporting andcontrolling each function of the mobile terminal 100 in a storage unitand performs preparation for activating a function by loading theroutines during a booting process. Further, the main PCB 210 controlsthe storage unit to store various information that may be generated whenperforming a user requested function.

The main PCB 210 is also electrically connected to the sub-PCB 220(dashed lines 240, FIG. 1), outputs a signal necessary for mobilecommunication to the antenna 230 through the sub-PCB 220 connected tothe antenna 230, and processes signals received by the antenna 230. Themain PCB 210 is disposed at a predetermined distance from the antenna230 and thus the main PCB 210 cannot directly contact with the antenna230. Thus, the main PCB 210 transmits signals to, and receives signalsfrom, the sub-PCB 220 using a cable 240 of FIG. 2.

The sub-PCB 220 has a contact terminal for contacting to the antenna 230and contacts with the main PCB 210 through the cable 240. The sub-PCB220 outputs a signal, output by the main PCB 210, to the antenna 230under the control of the main PCB 210 and performs the function ofoutputting a signal received by the antenna 230 to the main PCB 210. Inthis process, the sub-PCB 220 outputs an electrical signal to theantenna 230 and receives a signal received by the antenna 230 using acontact terminal that can contact with a specific point of the antenna230 (not shown). When the mobile terminal 100 supports a plurality ofcommunication methods, the sub-PCB 220 has a plurality of contactterminals. In this case, each contact terminal is disposed to contactwith a specific point of the antenna pattern. When the antenna 230 isformed in a pattern, frequency coverage of a receiving signal changes orsensitivity of a receiving signal changes according to a point at whichthe contact terminal contacts with the antenna pattern. Accordingly, thecontact terminal is positioned at the sub-PCB 220 in a manner to contactwith a position of the antenna pattern optimized for a particularcommunication method of the mobile terminal 100. In general, for a lowfrequency transmission/reception, an antenna pattern of a relativelylong length or large volume is necessary, and in a high frequencytransmission/reception, an antenna pattern of a relatively short lengthor small volume is necessary. Accordingly, the contact terminal contactswith a position that can widely or narrowly use an entire length of theantenna 230 according to a supporting communication method.

When the sub-PCB 220 is disposed at one side of the case 170, in orderto prevent movement of the sub-PCB 220, the case 170 has a form, groove,or hole that can be coupled by an interference fit with various latchjaws or side walls provided at one side of the case 170. Thus, thesub-PCB 220 is coupled to structures provided in the case 170, therebypreventing movement of the sub-PCB 220. The sub-PCB 220 is describedwith reference to FIG. 4.

Returning to FIG. 1, the display unit 140 is an element for outputting apredetermined image during a process of activating various functions ofthe mobile terminal 100. For example, in a process of booting the mobileterminal 100, the display unit 140 can output a predetermined imagewhile performing a booting process and after a booting process iscomplete, the display unit 140 can output an image according toactivation of a specific user function. That is, the display unit 140displays information input by the user or information provided to theuser as well as various menus of the mobile terminal 100 or can providevarious screens, for example, a standby screen, a menu screen, a messagewriting screen, and a communication screen. The display unit 140 can beformed as a flat panel display such as a liquid crystal display (LCD)and an organic lighted emit diode (OLED), and when the flat paneldisplay is formed in a touch screen form, the display unit 140 can beused as an input means. When the display unit 140 is formed in a touchscreen form, the display unit 140 has both a display panel and a touchsensor disposed on the display panel. As the display unit 140 supports atouch screen, the mobile terminal 100 can provide various menu screensfrom which applications may be executed based on the touch screen. As anedge area of the display unit 140 is supported by the case 170, movementof the display unit 140 is prevented, and light leaking phenomenon inwhich light emitted by backlight is leaked to a side surface isprevented.

The case 170 encloses the edge of the display unit 140 and includes afirst case in which the antenna pattern is disposed and a second case inwhich the main PCB 210 and the sub-PCB 220 are disposed. The case 170substantially has all elements of the mobile terminal 100 therein, hasvarious elements for preventing movement of each element therein, andcan be formed in various shapes for durability. An exemplary structureof case 170 is described in detail with reference to FIG. 2.

FIG. 2 is an exploded perspective view illustrating an internalconfiguration of the case 170 of the mobile terminal 100 of FIG. 1.

In the following description, in the mobile terminal 100, the case 170has a shape that can be applied to a bar type or slide type mobileterminal. However, the present invention is not limited thereto, andother types of mobile terminals, for example, a folder type mobileterminal, the sub-PCB 220 according to the present exemplary embodimentis provided between the main PCB 210 and the antenna pattern to have astructure for supporting a signal.

Referring to FIG. 2, as the case 170 of the mobile terminal 100, a firstcase 170A and a second case 170B are provided. Various structures forsupporting a function of the mobile terminal 100 can be disposed withinthe case 170, and thus each of the first case 170A and the second case170B has structures therein, and circumferential edges of the first case170A and the second case 170B are coupled together to prevent separationor movement of the structure.

As shown in FIG. 2, the first case 170A includes an opening 141 forexposing the display unit 140 and an antenna housing 145 for retainingthe antenna pattern. When the first case 170A supports the opening 141and the display unit 140 is disposed therein, side walls 143 cover theedges of the display unit 140 provided in the first case 170A, and afirst screw coupling structure 147 that can be coupled to the secondcase 170B by a screw is provided in an area adjacent to the antennahousing 145. In a portion of an opening direction of the antenna housing145, one of the side walls 143 encloses the edge of the display unit140. Each of the side walls 143 has a section of a character “L”, andstructures extended in a direction of the opening 141 are formed tocontact with the edge of the display unit 140 of the side wall 143. Inthe side walls 143, in order to improve solidity of the side walls 143,an auxiliary structure for supporting each side wall 143 may be disposedat a predetermined distance.

The antenna housing 145 is an element for housing the antenna patternand is formed in a step shape, and the antenna pattern is disposed at asurface thereof. A latch jaw or a protrusion is provided in thepredetermined distance or a predetermined position of the antennahousing 145. The latch jaw or the protrusion is fastened to a holeformed in the antenna pattern in order to more securely support theantenna 230. In order to prevent movement of the antenna pattern,adhesives are coated on a surface of the antenna housing 145. The firstscrew coupling structure 147 that can be used to couple the second case170B to the first case 170A by a screw is provided at one side of thefirst case 170A. In this way, in the first case 170A, as the antennahousing 145 is provided in a predetermined area of the case 170, theantenna pattern can be directly disposed.

An opening (not shown) for housing a battery is provided in the secondcase 170B and side walls having a character “L” form for housing variousstructures are provided within the second case 170B. Various structurescan be housed in the second case 170B. For example, the main PCB 210 isdisposed at the upper side of the second case 170B and the sub-PCB 220is disposed at the lower side thereof. Space between the main PCB 210and the sub-PCB 220 performs a function as a battery housing 181 forhousing a battery. Further, although not shown in FIG. 2, at the lowerend of the main PCB 210, other elements of the mobile terminal 100, forexample, a camera module, a broadcasting reception module, or an MP3module are disposed. At the lower end of the second case 170B, a PCBhousing 178 for housing the sub-PCB 220 is provided. The PCB housing 178includes a protruding portion 173 for coupling to a groove formed in thesub-PCB 220, a latch jaw 171 for fixing one side surface of the sub-PCB220, and a protrusion 175 for penetrating a hole formed in the sub-PCB220 and for fixing the sub-PCB 220. Additionally, side walls enclosingside surfaces of the sub-PCB 220 and for guiding, the sub-PCB 220 areprovided in the PCB housing 178. A second screw coupling structure 187corresponding to the first screw coupling structure 147 provided in thefirst case 170A is formed at one side of the second case 170B. The cable240 for connecting a contact point formed at one side of the sub-PCB 220and a contact point formed at one side of the main PCB 210 is disposedalong one side wall of the second case 170B.

When the sub-PCB 220 disposed at one side of the second case 170B iscoupled to the first case 170A, the sub-PCB 220 electrically contactswith the antenna pattern provided in the first case 170A. Accordingly,the mobile terminal 100 according to the present exemplary embodimentforms a communication path including the main PCB 210, the sub-PCB 220,the antenna 230, and the cable 240. The communication path is describedin detail with reference to FIG. 3.

FIG. 3 is a perspective view illustrating only elements included in anantenna apparatus in the mobile terminal 100 of FIG. 1, and FIG. 4 is aperspective view illustrating a configuration of the sub-PCB 220 in themobile terminal 100 of FIG. 1.

Referring to FIGS. 3 and 4, the antenna apparatus according to thepresent exemplary embodiment includes a main PCB 210, sub-PCB 220,antenna 230, and cable 240. Here, the antenna 230 is formed in a patternof a predetermined form (length) and may be formed in a formcorresponding to that of the antenna housing 145 provided in the firstcase 170A).

In the antenna apparatus according to the present exemplary embodiment,as described above, in the main PCB 210, other communication elements ofthe mobile terminal 100, for example a communication modulecorresponding to a communication method supported by the mobile terminal100, a microphone for collecting an external audio signal, a speaker foroutputting a received signal, and a storage unit for storing variousapplication programs for connecting to a web server are mounted.Alternatively, the main PCB 210 may be electrically connected toelements disposed on one side of the case 170. The main PCB 210 isconnected to the sub-PCB 220 through the cable 240. The PCB 210 outputsa signal to the sub-PCB 220 or receives a signal from the sub-PCB 220through the cable 240.

The cable 240 performs a function of a signal input terminal or a signaloutput terminal in the main PCB 210 and the sub-PCB 220. The cable 240is disposed at one side wall of the case 170 and has a contact point forcontacting with each of the main PCB 210 and the sub-PCB 220.

Referring to FIG. 4, the sub-PCB 220 includes a board 227 in whichstructures are mounted, a contact point 222 connected to the cable 240at one side of the board 227, a circuit 225 electrically connected tothe contact point 222 and for contacting with each of the contactterminals, and a first contact terminal 221 and second contact terminal223 connected to the circuit 225.

The board 227 is made of various materials such as wood or plastic andis formed in a form corresponding to a PCB housing provided in thesecond case 170B of the mobile terminal 100. That is, the board 227 hasa groove 229 fastened to the protruding portion 173 provided in the PCBhousing 178 and a hole 228 fastened to a protrusion 175 provided in thePCB housing 178. Edges of the board 227 are formed to correspond to sidewalls 143 for a guide provided in the PCB housing 178.

The contact point 222 is a point in which the cable 240 contacts and isformed through a soldering (or similar fixed attaching means, e.g. anadhesive) operation for electrically connecting an end portion of thecable 240 and the sub-PCB 220. The contact point 222 is electricallyconnected to the circuit 225. For this, the sub-PCB 220 further includesa signal line for electrically connecting the contact point 222 and thecircuit 225.

When the circuit 225 contacts with the antenna 230, the circuit 225 isan element for performing impedance matching and is an element forcontrolling the form of a communication path of one of the contactterminals connected to the circuit 225. The circuit 225 includes aswitch for controlling the communication path with the first contactterminal 221 or the second contact terminal 223 according to a signaloutput from the main PCB 210 and includes elements for impedancematching.

The first contact terminal 221 is a terminal contacting with a firstpoint 231 of the antenna pattern (see FIG. 3) and is an element that canbe connected to the antenna pattern when the mobile terminal 100supports a specific communication method, for example a GSMcommunication method.

The second contact terminal 223 is a terminal contacting with a secondpoint 233 of the antenna pattern (see FIG. 3) and is an element that canbe connected to the antenna pattern when the mobile terminal 100supports a specific communication method, for example a WCDMAcommunication method. Thus, in one mode the length of the antenna lineis based on the first contact terminal 221 and in another mode thelength of the antenna line is based on the second contact terminal 223.

In order to support both communication methods, the first contactterminal 221 and the second contact terminal 223 may simultaneouslycontact with the first point 231 and the second point 233, respectively.As described above, the mobile terminal 100 according to the presentexemplary embodiment has the sub-PCB 220 disposed at the second case170B contacting with the antenna 230 disposed within the first case 170Aand the main PCB 210 disposed within the second case 170B using theantenna 230 through the sub-PCB 220.

In the antenna apparatus according to the present exemplary embodiment,as the antenna 230 is disposed at one side of the first case 170A, anentire lower end area of the first case 170A can be used as an area inwhich the antenna pattern is disposed, and as the antenna pattern isdisposed at a surface of the inside of the first case 170A, occupyingspace of an antenna structure in the first case 170A can be minimizedand disposition space of the antenna 230 can be maximized.

In the antenna apparatus according to the present exemplary embodiment,as the main PCB 210 can be separated from the antenna 230, the main PCB210 can be more flexibly disposed, and after the sub-PCB 220 contactingwith the antenna 230 is disposed within the second case 170B, thesub-PCB 220 and the antenna 230 contact by a coupling force of the firstcase 170A and the second case 170B, and thus the sub-PCB 220 and theantenna 230 can be more securely connected.

In the foregoing description, the sub-PCB 220 has two contact terminals,i.e. the first contact terminal 221 and the second contact terminal 223,however the present invention is not limited thereto and the sub-PCB 220may have one or more contacts with the antenna pattern depending uponthe number of frequency bands which the mobile terminal may operate. Asdescribed above, according to an antenna apparatus of a mobile terminal,an antenna pattern is provided using a case of the mobile terminalexcept for a carrier, by providing a sub-board attached to the antennapattern, disposition space of the antenna can be efficiently used and aprocess for assembling the mobile terminal can be more stably and simplysupported and production costs may be reduced.

Although exemplary embodiments of the present invention have beendescribed in detail hereinabove, it should be clearly understood thatmany variations and modifications of the basic inventive concepts hereindescribed, which may appear to those skilled in the art, will still fallwithin the spirit and scope of the exemplary embodiments of the presentinvention as defined in the appended claims.

What is claimed is:
 1. A portable communication device comprising: acase forming at least part of an outer surface of the portablecommunication device; a first printed circuit board (PCB) disposed in afirst portion of an inner space of the case; a second PCB disposed in asecond portion of the inner space of the case; a battery disposed in athird portion of the inner space of the case, the third portion of theinner space positioned between the first portion of the inner space andthe second portion of the inner space; a cable disposed along at leastone side of the battery and electrically connecting between the firstPCB and the second PCB; and an antenna including a contact point formedon a specified area of an inner surface of the case facing the secondportion of the inner space of the case, and a radiating element formedon the specified area of the inner surface and electrically coupled withthe second PCB via the contact point.
 2. The portable communicationdevice of claim 1, wherein the first PCB comprises a communicationcircuitry to provide a signal to the antenna or receive the signal fromthe antenna, and wherein the radiating element is electrically connectedwith the first PCB such the radiating element, the contact point, thesecond PCB, the cable, and the first PCB form a communication path. 3.The portable communication device of claim 1, wherein the first PCBcomprises a communication circuitry and a power circuitry electrically,wherein the power circuitry is connected to the battery and thecommunication circuitry, wherein the power circuitry is configured tocontrol supply of electrical power provided from the battery to thecommunication circuitry.
 4. The portable communication device of claim1, wherein the second PCB comprises a contact terminal directlycontacted with the contact point.
 5. The portable communication deviceof claim 4, wherein the second PCB further comprises another contactterminal contacted with another contact point of the antenna, andwherein the first PCB is configured to support a first specifiedcommunication scheme using the antenna via the contact terminal and asecond specified communication scheme using the antenna via the othercontact terminal.
 6. The portable communication device of claim 5,wherein the second PCB comprises switch circuitry to select acommunication signal path corresponding to at least one of the contactterminal or the other contact terminal, based at least in part on acommunication scheme selected between the first specified communicationscheme and the second specified communication scheme.
 7. The portablecommunication device of claim 5, wherein the first specifiedcommunication scheme corresponds to a first frequency band and thesecond specified communication scheme corresponds to a second frequencyband.
 8. The portable communication device of claim 1, wherein the casecomprises a first housing and the second housing, wherein the firsthousing is mechanically coupled with the second housing.
 9. The portablecommunication device of claim 8, wherein the antenna is accommodated inthe first housing, and wherein the first PCB, the second PCB, thebattery and the cable are accommodated in the second housing.
 10. Aportable communication device comprising: a first housing forming atleast part of an outer surface of the portable communication device; asecond housing mechanically coupled with the first housing, at leastpart of the second housing forming at least another part of the outersurface of the portable communication device; a first printed circuitboard (PCB) disposed in a first portion of a space between the firsthousing and the second housing; a second PCB disposed in a secondportion of the space between the first housing and the second housing; abattery disposed in a third portion of the space between the firsthousing and the second housing, the third portion of the inner spacepositioned between the first portion of the inner space and the secondportion of the inner space; a cable electrically connecting between thefirst PCB and the second PCB, the cable disposed along at least one sideof the battery; and an antenna including a contact point formed on apart of an inner surface of the first housing corresponding to thesecond PCB, the antenna electrically coupled with the second PCB via thecontact point.
 11. The portable communication device of claim 10,wherein the first PCB comprises a communication circuitry to provide asignal to the antenna or receive the signal from the antenna, andwherein the radiating element is electrically connected with the firstPCB such the radiating element, the contact point, the second PCB, thecable, and the first PCB form a communication path.
 12. The portablecommunication device of claim 10, wherein the first PCB comprises acommunication circuitry and a power circuitry electrically, wherein thepower circuitry is connected to the battery and the communicationcircuitry, wherein the power circuitry is configured to control supplyof electrical power provided from the battery to the communicationcircuitry.
 13. The portable communication device of claim 10, whereinthe second PCB comprises a contact terminal directly contacted with thecontact point.
 14. The portable communication device of claim 13,wherein the second PCB further comprises another contact terminalcontacted with another contact point of the antenna, and wherein thefirst PCB is configured to support a first specified communicationscheme using the antenna via the contact terminal and a second specifiedcommunication scheme using the antenna via the other contact terminal.15. The portable communication device of claim 14, wherein the secondPCB comprises switch circuitry to a communication signal pathcorresponding to at least one of the contact terminal or the othercontact terminal, based at least in part on a communication schemeselected between the first specified communication scheme and the secondspecified communication scheme.
 16. The portable communication device ofclaim 15, wherein the wherein the first specified communication schemecorresponds to a first frequency band and the second specifiedcommunication scheme corresponds to a second frequency band.
 17. Theportable communication device of claim 10, wherein the second PCBcomprises an impedance matching circuit electrically connected to theantenna to adjust an impedance corresponding to the antenna.
 18. Theportable communication device of claim 10, wherein the second PCBcomprises a hole, wherein the second housing comprises a protrusionmember formed on the inner surface of the second housing, and whereinthe hole is fastened to the protrusion member such that the second PCBis fixed on the inner surface of the second housing.
 19. The portablecommunication device of claim 10, wherein the second PCB comprises agroove, wherein the second housing comprises a protrusion member formedon the inner surface of the second housing, and wherein the groove isfastened to the protrusion member such that the second PCB is fixed onthe inner surface of the second housing.
 20. A portable communicationdevice comprising: a case forming at least part of an outer surface ofthe portable communication device; a first printed circuit board (PCB)accommodated in the case; a second PCB accommodated in the case andelectrically connected with the first PCB via a cable; a batteryaccommodated in the case and positioned between the first PCB and thesecond PCB; and an antenna electrically coupled with the second PCB viaa contact point formed on an inner surface of the case.